Andrew Feustel, deputy chief of the Astronaut Office, left, Stephen Koerner, director of the Flight Operations Directorate at NASA’s Johnson Space Center, center, and Norm Knight, deputy director of Flight Operations at NASA's Johnson Space Center, are seen during a dress rehearsal in preparation for the launch of a SpaceX Falcon 9 rocket carrying the company's Crew Dragon spacecraft on NASA’s SpaceX Crew-2 mission with NASA astronauts Shane Kimbrough and Megan McArthur, ESA (European Space Agency) astronaut Thomas Pesquet, and Japan Aerospace Exploration Agency (JAXA) astronaut Akihiko Hoshide onboard, Sunday, April 18, 2021, in firing room four of the Launch Control Center at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-2 mission is the second operational mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Kimbrough, McArthur, Pesquet, and Hoshide are scheduled to launch at 6:11 a.m. ET on Thursday, April 22, from Launch Complex 39A at the Kennedy Space Center. Photo Credit: (NASA/Joel Kowsky)